Kalispell (FCA) to Houston (IAH)
Flight time
≈ 4h 02m
Bearing
135° SE
Kalispell (FCA) to Houston (IAH) is 1,613 miles (2,595 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies FCA–IAH
Filed traffic dataIn August 2025, United Airlines was the only carrier flying nonstop FCA–IAH; the Airbus A320 was the most common aircraft at 67% of departures; flights ran 94% full.
Departures
6
August 2025
Seats
852
both directions
Passengers
805
both directions
Load factor
94.5%
RPM ÷ ASM
Who flies FCA–IAH?
United Airlines was the only carrier to fly nonstop FCA–IAH in August 2025 (6 departures).
- UA
6 departures · 852 seats
Share of departures100.0%94.5%
Load
What plane flies FCA–IAH?
In August 2025, the Airbus A320 flew 67% of FCA–IAH departures — more than any other aircraft type.
- Airbus A320
4 departures · 92.3% load
66.7% - Airbus A319
2 departures · 99.6% load
33.3%
How has FCA–IAH traffic changed?
Nonstop FCA–IAH departures held steady at about 6 a month between June 2025 and August 2025.
Monthly nonstop FCA–IAH traffic, trailing 12 months through August 2025. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
6 departures · 788 passengers
86.6%
Load
July 2025
8 departures · 969 passengers
89.1%
Load
August 2025
6 departures · 805 passengers
94.5%
Load
By direction
Each direction is filed separately — they rarely match.
FCA → IAH
98.1% full
3 departures · 418 passengers
IAH → FCA
90.8% full
3 departures · 387 passengers
Nonstop FCA–IAH traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through August 2025; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Kalispell (FCA) from Houston (IAH)?
FCA to IAH is 1,613 miles (2,595 km / 1,401 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from FCA to IAH?
A nonstop covers the 1,613-mile great-circle distance in roughly 4h 02m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies FCA–IAH?
In August 2025, the Airbus A320 flew the largest share of departures (66.7%), followed by the Airbus A319 (33.3%).
What mileage do I earn flying FCA–IAH?
Distance-based programs credit off the 1,613-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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